Re: [PATCH] OMAP3: beagle: add support for beagleboard xM revision C

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Op 30 mei 2011, om 16:34 heeft Tony Lindgren het volgende geschreven:

> Hi,
> 
> * Koen Kooi <koen@xxxxxxxxxxxxxxxxxxxxx> [110527 06:28]:
>> 
>> @@ -123,9 +126,13 @@ static void __init omap3_beagle_init_rev(void)
>> 		printk(KERN_INFO "OMAP3 Beagle Rev: xM\n");
>> 		omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
>> 		break;
>> +	case 2:
>> +		printk(KERN_INFO "OMAP3 Beagle Rev: xM\n");
>> +		omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC;
>> +		break;
>> 	default:
>> 		printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev);
>> -		omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
>> +		omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC;
>> 	}
>> }
> 
> Maybe just set up static struct omap3_beagle that contains the
> various things to initialize. Then initialize it in omap3_beagle_init_rev
> above.
> 
> Otherwise we'll end up adding more and more omap3_beagle_get_rev and
> cpu_is_omap tests to this file and it will become hard to maintain.
> 
>> @@ -253,7 +260,7 @@ static int beagle_twl_gpio_setup(struct device *dev,
>> {
>> 	int r, usb_pwr_level;
>> 
>> -	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
>> +	if (cpu_is_omap3630()) {
>> 		mmc[0].gpio_wp = -EINVAL;
>> 	} else if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C1_3) ||
>> 		(omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C4)) {
> 
> This would become:
> 
> 	mmc[0].gpio_wp = beagle.gpio_wp;
> 
>> @@ -275,11 +282,10 @@ static int beagle_twl_gpio_setup(struct device *dev,
>> 	 * high / others active low)
>> 	 * DVI reset GPIO is different between beagle revisions
>> 	 */
>> -	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
>> -		usb_pwr_level = GPIOF_OUT_INIT_HIGH;
>> +	if (cpu_is_omap3630()) {
>> 		beagle_dvi_device.reset_gpio = 129;
>> 		/*
>> -		 * gpio + 1 on Xm controls the TFP410's enable line (active low)
>> +		 * gpio + 1 on xM controls the TFP410's enable line (active low)
>> 		 * gpio + 2 control varies depending on the board rev as below:
>> 		 * P7/P8 revisions(prototype): Camera EN
>> 		 * A2+ revisions (production): LDO (DVI, serial, led blocks)
> 
> This would be just:
> 
> 	usb_pwr_level = beagle.usb_pwr_level;
> 
> And so on.

Tony, thanks for the feedback! The change you want is a bit too much for my C knowledge, but Joel will but picking it up from here.

regards,

Koen--
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